opisthion

O1P3I1S1T1H4I1O1N1

noun

The middle of the posterior margin of the foramen magnum of the skull.

Scrabble 14

Meanings

nounopisthion (plural opisthia)

plural opisthia

  1. anatomyThe middle of the posterior margin of the foramen magnum of the skull.

Origin

  1. Ancient Greekὀπίσθιος“rear, behind”
  2. New Latinopisthion
  3. Englishopisthion

From New Latin opisthion, from Ancient Greek ὀπίσθιος (opísthios, “rear, behind”), from ὄπισθεν (ópisthen, “at the back, backwards”). By surface analysis, opisth- + -ion.

Full word history & related roots →

Translations

Arabic أُخَيْرَى
  • أُخَيْرَى (ʔuḵayrā)Translations
Czech zaspodník
  • zaspodníkTranslations
Latin opisthion
  • opisthionTranslations
Cite this entry
APA

opisthion. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/opisthion

MLA

“opisthion.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/opisthion. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “opisthion,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/opisthion.

Source: opisthion on Wiktionary, CC BY-SA 4.0.